On Mon, Nov 03, 2014 at 04:42:55PM +0100, Olivier Benghozi wrote: > Firstly, in classical BGP implementations (but not in BIRD), for eBGP > connections, router-id is never used as tie-break. Instead, route age is used > (the oldest one wins) as tie-break. It avoids frequent route changes and > probably improves a little routes distribution. > You'd better use "prefer older on". > > Secondly, a radical solution is (for incoming prefixes): > - upstream 1: match net ~ 0.0.0.0/1 and set MED at 1, set MED at 0 for > everything else; > - upstream 2: match net ~ 128.0.0.0/1 and set MED at 1, set MED at 0 for > everything else.
Note that you should use 'med metric' option in this case (if your uplinks are from different ASes). -- Elen sila lumenn' omentielvo Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so."
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